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authorHai Li <hali@codeaurora.org>2015-09-11 15:56:09 -0400
committerRob Clark <robdclark@gmail.com>2015-10-22 15:39:54 -0400
commite01b1bfd88f9c5ec32b471a5a696a79f45740e63 (patch)
tree0d86b5bf966f9e6d3a5ea9ea614c3bc6e6b7abec /drivers/gpu/drm/msm/dsi/phy
parentdrm: msm: dsi: Don't attempt changing voltage of switches (diff)
downloadlinux-dev-e01b1bfd88f9c5ec32b471a5a696a79f45740e63.tar.xz
linux-dev-e01b1bfd88f9c5ec32b471a5a696a79f45740e63.zip
drm/msm/dsi: Updata LNn_CFG4 register settings for 28nm PHY
The current settings for 28nm PHY data lane CFG4 registers do not work with certain panels. This change is to modify them to hw recommended values. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/phy')
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index f1a7c7b46420..edf74110ced7 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -99,16 +99,14 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_1(i), 0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_2(i), 0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_3(i), 0);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(i), 0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_DATAPATH(i), 0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_DEBUG_SEL(i), 0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_0(i), 0x1);
dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_1(i), 0x97);
}
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(0), 0);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(1), 0x5);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(2), 0xa);
- dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(3), 0xf);
+ dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_4, 0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_1, 0xc0);
dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR0, 0x1);
dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR1, 0xbb);